Stop 3
Crossbedding at the Eagle's Nest Truck Stop
Stop 4, 5, 6
Old Highway (Crossbedding, salt deposits, mud rock)
Stop 7
Evidence of landslide
Stop 8
Roan Plateau view
Stop 9
Prehistoric worms
Stop 10
KT Boundary and Ohio Congomeratic Unit
Stop 11
Wasatch Formation
Stop 12
Panorama of Grand Valley
Stop 13
Mesa Lakes Lodge
Geologic History
About 10 million years ago, a basaltic lava flow filled a prehistoric valley composed primarily of sandstone. This lava flow eventually cooled and the surrounding sandstone weathered and eroded away over millions of years. Eventually, only the basalt layer remained, becoming the Grand Mesa we know today.
Stop 1
Old Powderhorn Coal Mine
Stop 2
Cameo
Stop 3
Crossbedding at the Eagle's Nest Truck Stop
Stop 4, 5, 6
Old Highway (Crossbedding, salt deposits, mud rock)
Stop 7
Evidence of landslide
Stop 8
Roan Plateau view
Stop 9
Prehistoric worms
Stop 10
KT Boundary and Ohio Congomeratic Unit
Stop 11
Wasatch Formation
Stop 12
Panorama of Grand Valley
Stop 13
Mesa Lakes Lodge
Geologic History
About 10 million years ago, a basaltic lava flow filled a prehistoric valley composed primarily of sandstone. This lava flow eventually cooled and the surrounding sandstone weathered and eroded away over millions of years. Eventually, only the basalt layer remained, becoming the Grand Mesa we know today.